Networking is the art of connecting two or more devices together so that they can communicate with each other.

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Trying to FTP ftp.ups.com I get FTP error 425

Operating System:Windows 7 Home Premium Ed Browser: Firefox 30.0 ISP Earthlink.net Connection:ADSL Firewall: Zone Alarm: ZoneAlarm Security Suite version: 13.1.211.000 ZoneAlarm license key: ...
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1answer
25 views

squid proxy slow response

We are using the squid proxy in our setup and implemented as transparent proxy with user authentication. Before couple of days, while we are trying to setup the iptables the squid started performing ...
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0answers
17 views

How to correctly configure iptables on a laptop?

I have run these commands (tried switching the order too) because I want to set up a firewall on my laptop so that nobody can connect to it (except of course in response to a connection I've made): ...
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1answer
22 views

Why does my modem takes many attempts to connect to internet

I have this old DSL 502T Dlink modem router(wired). I have been using this for many years without any issues. Recently though, there is issue connecting to the Internet (WAN side). It takes many ...
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3answers
55 views

Whole house VPN

I'v been on this quest for a few days now and I haven't found the answers I've been looking for. What I'd like is a "VPN Client" router or server that accepts all LAN traffic and sends it through a ...
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0answers
18 views

Redirect all LAN network traffic to external proxy server

I have an external VPS that acts as Proxy (SQUID) and I'd like to force all the network connections requested by all my LAN devices to be handled by the proxy without singular configurations on the ...
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5answers
5k views

Why did the IETF specifically choose 192.168/16 to be a private IP address class? [closed]

Why did the Internet Engineering Task Force (IETF) choose 192.168/16 to be a private IP address classand not something else? Why specifically 192.168/16 and 10/8 and 172.16/12 and not 145.243/16 for ...
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0answers
38 views

Can't access modem web interface

I have cisco modem with Linux firmware. I can't connect to modem admin interface via ip 192.168.100.1. I can't SSH to it either. I tried to ping it and it is unreachable. I noticed that sometimes this ...
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1answer
20 views

NetBIOS replying only to external requests

I have some IPs on the internal network I'm 100% sure have netbios enabled. (I say "internal network", but all the IP octets differ. It is just the same institution and geographical location). If I ...
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1answer
22 views

Ubiquiti nanostation or nanobridge? [on hold]

I need to set up a wireless bridge between two buildings. The buildings themselves are only about 150-200ft apart, but they're across a parking lot from each other, and there's no underground conduit ...
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0answers
12 views

Site-to-Site Connection with Windows Azure

I've created a Site to Site connection using Windows Azure. My On Premise connection uses 192.168.0.0 - 192.168.0.255 and my Azure connection uses 192.168.1.0 - 192.168.1.255 on a subnet of ...
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4answers
562 views

Some pages in Chrome always redirect to ransom page at http://system-check-fyeltkhn.in

This is so weird and random that I have a problem explaining it fully. Since yesterday, those behaviors started: Some pages in Chrome are be always redirected to: ...
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1answer
20 views

Ubuntu failing to acquire IPv4 over I217-V, Windows failing do the same over a USB Ethernet adapter

Just installed a fresh copy of 14.04, and ran into a very upsetting issue, which I wouldn't expect to encounter in 2014: Ubuntu refuses to work with my integrated network controller - Intel I217-V. ...
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2answers
36 views

Two Network Adapters, One Prevents Other's Connection

Digged up the forums but couldn't find the same issue, so here comes the question: My operating system is Windows XP. It has 2 network adapters. 1st: IP -> 10.54.88.55, Subnet -> 255.255.255.0, ...
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1answer
18 views

How does other devices on my network receive incoming connections when I set public IP address to a specific device?

So I set my router to assign the public IP to my laptop. And this opens up all ports to my laptop so that when I host a website or a minecraft server and so on, I don't have to forward my ports. And ...
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0answers
18 views

QEMU guest and Linux host networking configuration

+-----------------------+ +---------------------+ | bro - Host - Linux | | Guest - QEMU- Linux | | +------+ +------+ | | eth0 | | | tap0 |----| eth0 | | ...
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0answers
17 views

How to locally cache network drive in Windows 8.1

I work remotely and connect to a shared network drive through a VPN. This works great for the most part. However, when there are problems with the connection (either the internet on my end or at my ...
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2answers
14 views

Web usage monitoring

We are group of friends working in shared wifi network. Can anyone of us monitor what other guys are surfing from their computer? Is there any tools or Admin right for such monitoring?
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0answers
28 views

How to connect to the a Linux machine behind a router via ssh tunnel

I'm using Windows system (Machine W). I want to a Linux machine (Machine L) behind a router via ssh tunnel. I have another Linux machine (Machine T) to establish ssh tunnel. I want only packets for ...
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1answer
16 views

Find URL that a process, application or script is requesting

I can see the established network connection a program creates with TCPview, netstat or Resource Monitor but I'm trying to see the URL a program initially reaches out to. For instance, this URL ...
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1answer
40 views

Is it possible to open a port for listening without netcat?

I have a need for a Linux system to listen on a TCP port and dump what it receives to a file and/or stdout. The system does not have netcat installed. I have root permissions, but am not allowed to ...
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1answer
43 views

Reinstalled Windows 7 - Now cannot connect to any activation server or Microsoft Exchange

I reinstalled Windows 7 this morning, and now I am unable to connect to any activation servers for any Adobe software, and I cannot connect to Office 365 Microsoft Exchange server in Outlook 2013. ...
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0answers
13 views

Network/Server optimization with Samba Server and clients

So I have been trying to have a successful samba server for my home for a few months now, but it has just never really performed well. I am now getting serious about making it work correctly. To ...
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1answer
29 views

Windows Networking - Treat two subnets as one network

We have an existing (old) network (10.0.0.0/24) and we're trying to add another (new) subnet (20.0.0.0/24) using a Cisco 2901 router. I added the appropriate routes and tested everything out. We're ...
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1answer
15 views

ping repeater at bootup and never stop

I have a wireless repeater which for some reason loves to go into sleep mode all the time, even if it is not supposed to. The manufacturer swears it's not a defect, and when it works, it works great. ...
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1answer
21 views

Active directory sites and services

I have 192.168.1.0/23 subnet for wired connection and 192.168.2.0/24 for wireless connection. Do I need to add 192.168.2.0 in AD Sites & services. Right now I have 192.168.1.0/24 added in the ...
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0answers
19 views

Ubuntu 13.10 doesn't really forget wireless networks

I have recently noticed that wireless networks I have previously connected to and removed from my known wireless list are still being searched by my wireless card. The networks do not appear in ...
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1answer
26 views

Streaming Video Often Not Playing On Windows 8

I'm having an issue that started happening a few days ago. On my MSI GE70 2OE laptop, streaming video has been giving me some issues. It's been mostly hit/miss with whether Netflix or Youtube will ...
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1answer
48 views

DNS server cannot resolve ipredator.se domain

Since yesterday I cannot connect to ipredator.se anymore. Seems to be a DNS problem: $ nslookup ipredator.se Server: 127.0.1.1 Address: 127.0.1.1#53 ** server can't find ipredator.se: ...
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1answer
89 views

Hooking Linux machine to secondary router/ISP: how to setup routing correctly?

Abstract: I have (I presume routing) issues when adding a secondary ISP to my existing network setup: incoming traffic through Router1 is not answered, but local traffic and incoming through Router0 ...
-1
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0answers
22 views

Improve signal of cable-modem

I have a cablemodem, the modem is a cisco dcp 2320. I think the values of the signal are wrong because I am loosing connection, and I am getting access denied. Here are the values I have Receive ...
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0answers
6 views

confusion on QoS features on linksys

I own a linksys WAG120N router at home which connects a few computers to each other and to the Internet. I typically stay so close to it and using cat 5 between my laptop and the router. My sis ...
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11 views

Machine shows up in router but no responding to ping and any other connections

Well, the machine is not technically a server, just a normal pc box running linux. I left that machine on in my apartment when I went home for the summer. However, about one month later, I realized ...
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0answers
34 views

Port forwarding to second router's FTP server (linked via WDS)

Problem I am having trouble accessing my FTP server over the internet. Set up This FTP server is a wds-bridged router - Netgear DG834GUv5 - 10.1.1.2 with no DHCP. Primary Modem/Router is TP-Link ...
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2answers
39 views

ASUS RT-N66U how to identify source of traffic spike

I have an ASUS RT-N66U as my home router. We are experiencing some traffic spikes in downloading over WiFi that slow all other activity to a crawl. Is there a way to identify the source (ip/host) of ...
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1answer
29 views

What happens with existing connections, if default gateway is changed?

I have been wondering about the following scenario: +-------+ +-------+ | ISP 1 | | ISP 2 | +-------+ +-------+ | | | +--------+ | --eth0| ROUTER ...
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1answer
29 views

FTP not accessible outside of LAN

Ok so I really need some help with this, I have XAMPP installed and am hosting a webiste with it for my friends and i to work on. I am able to see the site just fine and also i am able to get to ...
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0answers
34 views

Convert a 256 bit WPA2 AES - TKIP to a 64/128 bit key?

I have a router that allows me the following encryption keys for the wifi: WEP WPA TKIP 256 bit WPA AES 256 bit WPA TKIP-AES 256 bit Just yesterday I bought a wireless range extender that doesn't ...
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1answer
34 views

How to finish my DNS setup?

I've been working on a small project the past couple days and have hit a small wall. This is what I have so far: Static IP from Comcast Registered Domain from Dynadot Local Arch Linux DNS box ...
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0answers
10 views

Packet loss for DNS-SD answers sent by router

I have a slightly unusual network topology: Desktop with two interfaces p4p2 - attached to cable modem, receives public IP from DHCP p4p1 - attached to LAN, assigned 192.168.2.1 and running dhcpd ...
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0answers
24 views

Drop network packages

I'm seeing a lot more protocols in the wireshark capture in my university network than in my home network and the connection is incredibly bad at the university (> 2 Min. to get an IP address from ...
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0answers
25 views

Is it possible to use a switch to connect a router to the upstream gateway and the computers over a single Cat6 cable?

I've just moved into a new house, and I'm trying to get the network setup to be the best I can. Currently my ISP supplies a router that I need to use, and that only provides a single port for the ...
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0answers
5 views

Why does lldpctl show no output on ubuntu

Why does lldpctl show no neighbors on Ubuntu? How to run this command in ubuntu to get output in proper manner. Currently it is LLDP neighbors: I want list of all neighbours in a network.
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0answers
20 views

Why can I not block certain applications on Windows 7 Firewall?

The situation is this. I open firewall.cpl in the start menu and I'm trying to block a specific application from accessing the Internet (one which wasn't present on the list, I might add--so I added ...
0
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0answers
44 views

How to configure a VPN client in the router based on a connection log from my computer?

I am struggling with DD-WRT's PPTP client, as all configurations (and builds) I tried based on the all-important wiki but also older forum posts led to no ppp0 connection showing up with ifconfig. ...
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2answers
35 views

Static IP hosts on WiFi router with DHCP

I have two wired hosts (a desktop and a laptop) connected to a router that also has a DHCP server enabled for WiFi access. When I restart my wired machines, they get assigned a secondary IP address by ...
0
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1answer
27 views

Safe to put Openwrt in DMZ?

I currently have my openwrt router setup 'behind' my fios actiontec router. I am trying to get OpenVPN and having issues. I'm wondering if putting the openwrt router in the DMZ on the fios router ...
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0answers
27 views

Linux Box Internet Speed

I have encountered a weird problem with my Centos6 Server, currently I have install Centos6.4 on a 64bit support CPU with 8GB of RAM and 500GB HDD. Just went to check on the internet this morning and ...
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0answers
28 views

Windows Keeps Losing Wireless Printer - Needs To Be Re-Added Every Day

I have a wireless network with a number of laptops and a Deskjet 2540 wireless printer. The laptops are running Windows 7 with one of them running Windows 8. The wireless modem is a Netgear. If I, ...
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0answers
14 views

Slow internet on Atheros AR9485EB-EG and strange router behaviour

I have new Asus Q301LA laptop with Atheros AR9485EB-EG Wireless card, Windows 8 to 8.1 updated, router Cisco something (from Internet provider) and 30 Mb/s download speed on cable. Laptop reports only ...